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144263213 = 833175483
BaseRepresentation
bin10001001100101…
…00100000101101
3101001110022220222
420212110200231
5243412410323
622152021125
73401134313
oct1046244055
9331408828
10144263213
11744840a6
12403917a5
1323b70963
14152340b3
15c9e99c8
hex899482d

144263213 has 8 divisors (see below), whose sum is σ = 146488608. Its totient is φ = 142049584.

The previous prime is 144263209. The next prime is 144263239. The reversal of 144263213 is 312362441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144263213 - 22 = 144263209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144263263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23570 + ... + 29052.

It is an arithmetic number, because the mean of its divisors is an integer number (18311076).

Almost surely, 2144263213 is an apocalyptic number.

It is an amenable number.

144263213 is a deficient number, since it is larger than the sum of its proper divisors (2225395).

144263213 is an equidigital number, since it uses as much as digits as its factorization.

144263213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883.

The product of its digits is 3456, while the sum is 26.

The square root of 144263213 is about 12010.9622012560. The cubic root of 144263213 is about 524.4674424228.

The spelling of 144263213 in words is "one hundred forty-four million, two hundred sixty-three thousand, two hundred thirteen".

Divisors: 1 83 317 5483 26311 455089 1738111 144263213